Finding the Fourth Proportional to 476.79, 657.93 and 266.99
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Solution
The fourth proportional to 476.79, 657.93 and 266.99 is: 368.42
Step by Step Solution
- Step 1: Write the proportion equation
476.79 : 657.93 = 266.99 : x - Step 2: Convert to fraction form
476.79/657.93 = 266.99/x - Step 3: Cross multiply
476.79x = 657.93 × 266.99 - Step 4: Simplify right side
476.79x = 175,657.44 - Step 5: Solve for x
x = 175,657.44/476.79 - Step 6: Final answer
x = 368.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.